California's 15th State Senate district

California's 15th State Senate district
Current senator	Jim Beall D–San Jose
Population (2010)  • Voting age  • Citizen voting age	928,584 698,809 539,225
Demographics	34.28% White 2.74% Black 30.04% Latino 31.18% Asian 0.47% Native American 0.41% Hawaiian/Pacific Islander 0.25% other 0.64% remainder of multiracial
Registered voters	455,807
Registration	46.63% Democratic 20.00% Republican 29.74% No party preference

California's 15th State Senate district is one of 40 California State Senate districts. It is currently represented by Democrat Jim Beall of San Jose.

The district encompasses most of Silicon Valley, centered on the city of San Jose. It forms the focal point of the San Francisco Bay Area's South Bay region.